Service Transition Manager

Amentum•Warrenton, VA

7d•$185,000 - $215,000

About The Position

Amentum is seeking a Service Transition Manager to lead full-lifecycle IT infrastructure, hardware, and service transitions across a critical program. The role drives cross-functional delivery across Procurement, Change Management, Logistics, Production, Engineering, Network Architecture, and Customer Project Management teams, guiding voice, video, and data capabilities from initial concept through operational deployment in DISA/DoD environments. The manager leads transition activities for new or enhanced services, develops and executes Service Transition Plans, coordinates service onboarding, and validates network designs, technical specifications, and Bills of Materials. The position also participates in program governance forums, ensures compliance with program policies and controls, oversees service documentation, and works with DISA stakeholders, mission partners, and enterprise operations centers to integrate services into workflows, support models, and monitoring systems. The role tracks risks, dependencies, resources, milestones, and metrics; briefs program leadership and government representatives; and supports continuous improvement aligned with ITIL concepts and DISA service delivery expectations. The position requires an active Top Secret clearance with SCI, or the ability to acquire the required clearance, and a 40-hour workweek normally Monday through Friday. Overtime may be required during critical peaks and for last-minute requests. Compensation is listed at $185,000–$215,000. Amentum describes the role as not safety sensitive and states that employment is contingent on successful drug screening.

Requirements

Active Top Secret clearance with SCI, or the ability to acquire Top Secret/SCI; the posting also specifies active Top Secret with the ability to acquire SCI.
At least 10 years of relevant experience managing complex IT lifecycle deployments in ITSM/ITIL environments, with demonstrated experience in enterprise DoD environments.
Proven experience managing or leading teams of 60 or more personnel across large-scale or complex projects, preferably in government or regulated environments.
Strong understanding of project management methodologies such as PMBOK and Agile.
Direct experience supporting DISA or DoD communications networks, including voice, video, unified communications, or transport services operating across secure networks.
Strong understanding of ITIL practices and structured service transition activities that meet government standards.
Experience in classified DoD environments and SCIF operations, including compliance with handling, security, and operational protocols.
Excellent communication and stakeholder engagement skills for interacting with government leadership, technical teams, and mission partners.
Proficiency with enterprise ITSM tools, particularly those used across DoD and DISA programs.
Ability to work a 40-hour workweek, normally Monday through Friday, and to work overtime during critical peaks and respond to last-minute overtime requests as needed.
Familiarity with MS Office applications, including Excel, Word, Outlook, SharePoint, Project, and Visio.
Exceptional attention to detail; strong verbal and written communication, critical thinking, organizational, time-management, and problem-solving skills.
Ability to work independently and as part of a team in a dynamic environment.
Bachelor’s degree in a relevant technical field, or equivalent experience demonstrating capability in IT, telecommunications, or systems engineering within DoD environments.
Project Management Professional (PMP) certification.

Nice To Haves

ITIL 4 certification.
Experience leading geographically dispersed teams of 60 or more personnel.
Experience with federal acquisition and contracting processes.
Background in enterprise-level system modernization or digital transformation projects.

Responsibilities

Lead transition activities for new or enhanced voice, video, and data services, coordinating assessment, documentation, and deployment while minimizing risk and maintaining mission continuity.
Develop, maintain, and execute Service Transition Plans that define program-specific operational, security, and continuity requirements, milestones, dependencies, and criteria.
Coordinate cross-functional teams through service onboarding and transition cycles, validating network designs, technical specifications, and Bills of Materials for procurement and staging.
Participate in governance forums such as SEIPT, CCB, and PRB, providing structured input, risk assessments, and transition-readiness updates.
Ensure changes and new services comply with program policies, frameworks, standards, requirements, controls, and processes before operational release.
Oversee the development and validation of SOPs, technical diagrams, support models, knowledge articles, and network topology updates.
Work with DISA stakeholders, mission partners, and enterprise operations centers to integrate services into workflows, support models, and monitoring systems.
Identify and track transition risks, dependencies, and resource needs; coordinate resolutions and mitigate issues in time-sensitive mission environments.
Provide program leadership and government representatives with visibility into milestones, metrics, and risks through briefings and documentation.
Support continuous improvement of transition processes, workflows, and program practices in alignment with evolving ITIL concepts and DISA service delivery expectations.
Fulfill applicable safety, quality, procedure-compliance, training, and self-aid/buddy-aid responsibilities.